Brand Name : eletechsup Certification : None Origin : CN(Origin) is_customized : Yes Contact Load : Low Power Voltage : 12V Model Number : N43IC04 Protect Feature : Epoxy Power Source : DC Usage : General Purpose Product Name: DC 12V DAC 4-20MA/0-5V/0-10V4ch Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module Package inlcuded: 1 x N43IC04 4ch Current Analog Acquisition RS485 Modbus RTU ADC Module OR 1 x N43VD04 4ch Voltage Analog Acquisition RS485 Modbus RTU ADC Module Features: 1: Operating Voltage : DC 8-25V 2: Operating Current : 10-15MA 3: MODBUS RTU Command support 03 06 16 function code 4: The Current measurement range is 0-10mA, 0-20mA and 0-50mA, The Voltage measurement range is 0-5V, 0-10V and 0-20V. depending on the back of the module 5 The current resolution is 0.01 mA and Voltage resolution is 0.01V, with a measurement accuracy of 1% and can be calibrated if the error is greater than 1% 6 :MODBUS commands can be made serial Hyper Terminal (serial aistant) OR PLC Enter; 7 :Under the MODBUS command mode, it can support up to 247 devices in parallel 8 :Size: 45 * 30 * 15mm 9 :Weight: 10 g Modbus RTU Command Please refer to : ''N43IC04 modbus rtu protocol'' RS485 bus connection method